Files
mem0/embeddings/fastembed.py
2026-03-06 21:11:10 +08:00

30 lines
1.1 KiB
Python

from typing import Optional, Literal
from mem0.embeddings.base import EmbeddingBase
from mem0.configs.embeddings.base import BaseEmbedderConfig
try:
from fastembed import TextEmbedding
except ImportError:
raise ImportError("FastEmbed is not installed. Please install it using `pip install fastembed`")
class FastEmbedEmbedding(EmbeddingBase):
def __init__(self, config: Optional[BaseEmbedderConfig] = None):
super().__init__(config)
self.config.model = self.config.model or "thenlper/gte-large"
self.dense_model = TextEmbedding(model_name = self.config.model)
def embed(self, text, memory_action: Optional[Literal["add", "search", "update"]] = None):
"""
Convert the text to embeddings using FastEmbed running in the Onnx runtime
Args:
text (str): The text to embed.
memory_action (optional): The type of embedding to use. Must be one of "add", "search", or "update". Defaults to None.
Returns:
list: The embedding vector.
"""
text = text.replace("\n", " ")
embeddings = list(self.dense_model.embed(text))
return embeddings[0]